@article{weko_59813_1, author = "Shun,Doi and Norio,Harada", title = "Tridiagonal Factorization Algorithm : A Preconditioner for Nonsymmetric System Solving on Vectorcomputers", journal = "Journal of Information Processing ", year = "1988", volume = "11", number = "1", pages = "38--46", month = "mar" }